Aircraft



FIG. 1 is a front perspective view of an aircraft showing my new design.

FIG. 2 is a side elevational view thereof.

FIG. 3 is a top plan view thereof.

FIG. 4 is a bottom plan view thereof.

FIG. 5 is a front elevational view thereof.

FIG. 6 is a rear elevational view thereof.

FIG. 7 is a rear elevational view of an aircraft showing a second embodiment of my new design, it being understood the sole difference resides in the appearance and shape of the tail structure.

FIG. 8 is a bottom plan view thereof. 

The ornamental design for an aircraft, as shown and described. 